[ 503.459996] bond0: (slave eth0): making interface the new active one [ 503.460087] bond0: (slave eth0): Enslaving as an active interface with an up link [ 507.665992] bond0: (slave eth0): Releasing backup interface [ 507.756733] bond0: (slave eth0): Enslaving as an active interface with an up link [ 511.952780] bond0: (slave eth0): Releasing backup interface [ 511.977797] bond0 (unregistering): Released all slaves